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Allowance For Loan Losses (Narrative) (Details) - USD ($)
12 Months Ended
Dec. 31, 2019
Dec. 31, 2018
Dec. 31, 2017
Receivables [Abstract]      
Financing Receivables, Impaired, Troubled Debt Restructuring, Write-down $ 700,000    
Financing Receivable, Troubled Debt Restructuring, Subsequent Default 3,000,000.0    
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend 0    
Loan Review Selection Threshold ($) 1,000,000 $ 1,000,000 $ 1,000,000
Interest income forgone $ 200,000 $ 200,000 $ 200,000